Piston Kit - Low Compression - 74" Stock Motor - Standard
Features
- For 74" stock big twin motors
- Forged pistons for superior strength
- Piston kits include set of pistons, rings, wristpins, and clips
- Wrist pin deck height 1.436"
- Made in the U.S.A.
- Requires the use of connecting rods with a rod length of 7.440"(standard length OEM #24281-74A); use of earlier connecting rod with rod length of 7.470"(OEM #24281-41A) will result in a slight increase in the compression ratio of about one-halfpoint, and may also result in clearance problems (check all piston to cylinder head clearances carefully when using early style rods).
Specs
| Product Name | Piston Kit |
| Units | Kit |
| Compression Ratio | 8.0:1 |
| Type | Low Compression |
| Piston Material | Forged |
| Bore Size | 3.4375" |
| Stroke Length | 3-31/32" |
| Riding Style | Street |
| Bore - Oversize | Standard |
| Displacement | 74" |
| Year | Make | Model |
|---|---|---|
| 1941 | Harley-Davidson | Knucklehead FL |
| 1942 | Harley-Davidson | Knucklehead FL |
| 1943 | Harley-Davidson | Knucklehead FL |
| 1944 | Harley-Davidson | Knucklehead FL |
| 1945 | Harley-Davidson | Knucklehead FL |
| 1946 | Harley-Davidson | Knucklehead FL |
| 1947 | Harley-Davidson | Knucklehead FL |
| 1948 | Harley-Davidson | FL |
| 1949 | Harley-Davidson | Hydra Glide FL |
| 1950 | Harley-Davidson | Hydra Glide FL |
| 1951 | Harley-Davidson | Hydra Glide FL |
| 1953 | Harley-Davidson | Hydra Glide FL |
| 1954 | Harley-Davidson | Hydra Glide FL |
| 1955 | Harley-Davidson | Hydra Glide FL |
| 1956 | Harley-Davidson | Hydra Glide FL |
| 1957 | Harley-Davidson | Hydra Glide FL |
| 1958 | Harley-Davidson | Duo Glide FL |
| 1958 | Harley-Davidson | FLH Duo-Glide |
| 1959 | Harley-Davidson | Duo Glide FL |
| 1959 | Harley-Davidson | FLH Duo-Glide |
| 1960 | Harley-Davidson | Duo Glide FL |
| 1960 | Harley-Davidson | FLH Duo-Glide |
| 1961 | Harley-Davidson | Duo Glide FL |
| 1961 | Harley-Davidson | FLH Duo-Glide |
| 1962 | Harley-Davidson | Duo Glide FL |
| 1962 | Harley-Davidson | FLH Duo-Glide |
| 1963 | Harley-Davidson | Duo Glide FL |
| 1963 | Harley-Davidson | FLH Duo-Glide |
| 1964 | Harley-Davidson | Duo Glide FL |
| 1964 | Harley-Davidson | FLH Duo-Glide |
| 1965 | Harley-Davidson | 1200 Electra Glide FLH |
| 1965 | Harley-Davidson | Electra Glide FL |
| 1966 | Harley-Davidson | 1200 Electra Glide FLH |
| 1966 | Harley-Davidson | Electra Glide FL |
| 1967 | Harley-Davidson | 1200 Electra Glide FLH |
| 1967 | Harley-Davidson | Electra Glide FL |
| 1968 | Harley-Davidson | 1200 Electra Glide FLH |
| 1968 | Harley-Davidson | Electra Glide FL |
| 1969 | Harley-Davidson | 1200 Electra Glide FLH |
| 1969 | Harley-Davidson | Electra Glide FL |
| 1970 | Harley-Davidson | Electra Glide FL |
| 1970 | Harley-Davidson | FLH Electra Glide |
| 1971 | Harley-Davidson | Electra Glide FL |
| 1971 | Harley-Davidson | FLH Electra Glide |
| 1971 | Harley-Davidson | FX Super Glide |
| 1972 | Harley-Davidson | Electra Glide FL |
| 1972 | Harley-Davidson | FLH Electra Glide |
| 1972 | Harley-Davidson | FX Super Glide |
| 1973 | Harley-Davidson | Electra Glide FL |
| 1973 | Harley-Davidson | FLH Electra Glide |
| 1973 | Harley-Davidson | FX Super Glide |
| 1974 | Harley-Davidson | Electra Glide FL |
| 1974 | Harley-Davidson | FLH Electra Glide |
| 1974 | Harley-Davidson | FX Super Glide |
| 1974 | Harley-Davidson | FXE Super Glide |
| 1975 | Harley-Davidson | Electra Glide FL |
| 1975 | Harley-Davidson | FLH Electra Glide |
| 1975 | Harley-Davidson | FX Super Glide |
| 1975 | Harley-Davidson | FXE Super Glide |
| 1976 | Harley-Davidson | Electra Glide FL |
| 1976 | Harley-Davidson | FLH Electra Glide |
| 1976 | Harley-Davidson | FX Super Glide |
| 1976 | Harley-Davidson | FXE Super Glide |
| 1977 | Harley-Davidson | Electra Glide FL |
| 1977 | Harley-Davidson | FLH Electra Glide |
| 1977 | Harley-Davidson | FX Super Glide |
| 1977 | Harley-Davidson | FXE Super Glide |
| 1977 | Harley-Davidson | FXS Low Rider |
| 1978 | Harley-Davidson | 1200 Electra Glide FLH |
| 1978 | Harley-Davidson | Electra Glide FL |
| 1978 | Harley-Davidson | FX Super Glide |
| 1978 | Harley-Davidson | FXE Super Glide |
| 1978 | Harley-Davidson | FXS Low Rider |
| 1979 | Harley-Davidson | 1200 Electra Glide FLH |
| 1979 | Harley-Davidson | 1200 Fat Bob FXEF |
| 1979 | Harley-Davidson | 1200 Low Rider FXS |
| 1979 | Harley-Davidson | 1200 Super Glide FXE |
| 1979 | Harley-Davidson | Electra Glide FL |
| 1980 | Harley-Davidson | 1200 Electra Glide FLH |
| 1980 | Harley-Davidson | 1200 Fat Bob FXEF |
| 1980 | Harley-Davidson | 1200 Super Glide FXE |
| 1980 | Harley-Davidson | Electra Glide FL |
| 1980 | Harley-Davidson | FLHS Electra Glide Sport |
Fitment details provided by supplier.
Product Videos
Custom Field
Type Low Compression